* [android-common:android14-kiwi-6.1 105/105] ../../../lib/maple_tree.c:921:17: error: 'fallthrough' undeclared
@ 2026-02-06 1:44 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-02-06 1:44 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp
::::::
:::::: Manual check reason: "low confidence bisect report"
::::::
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: cros-kernel-buildreports@googlegroups.com
tree: https://android.googlesource.com/kernel/common android14-kiwi-6.1
head: d9208b34f28d2b57c8c195fd5e1a9d0688f7eb78
commit: cc2f2507f3f05612c61c4b8f11bb91efbb9ad495 [105/105] maple_tree: fix freeing of nodes in rcu mode
:::::: branch date: 7 hours ago
:::::: commit date: 2 years, 10 months ago
config: x86_64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260206/202602060216.tkRq9Wj7-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260206/202602060216.tkRq9Wj7-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202602060216.tkRq9Wj7-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from maple.c:23:
../../../lib/maple_tree.c: In function 'mas_clear_meta':
>> ../../../lib/maple_tree.c:921:17: error: 'fallthrough' undeclared (first use in this function)
921 | fallthrough;
| ^~~~~~~~~~~
../../../lib/maple_tree.c:921:17: note: each undeclared identifier is reported only once for each function it appears in
--
In file included from ./linux/scatterlist.h:8,
from scatterlist.c:9:
./linux/mm.h:113:21: error: conflicting types for 'kmalloc'; have 'void *(unsigned int, unsigned int)'
113 | static inline void *kmalloc(unsigned int size, unsigned int flags)
| ^~~~~~~
In file included from scatterlist.c:8:
../../include/linux/slab.h:13:7: note: previous declaration of 'kmalloc' with type 'void *(size_t, gfp_t)' {aka 'void *(long unsigned int, gfp_t)'}
13 | void *kmalloc(size_t size, gfp_t gfp);
| ^~~~~~~
./linux/scatterlist.h:317:1: error: unterminated comment
317 | /**
| ^
./linux/scatterlist.h:2: error: unterminated #ifndef
2 | #ifndef _LINUX_SCATTERLIST_H
scatterlist.c: In function 'sg_init_table':
>> scatterlist.c:127:9: error: implicit declaration of function 'sg_init_marker'; did you mean 'sg_init_table'? [-Wimplicit-function-declaration]
127 | sg_init_marker(sgl, nents);
| ^~~~~~~~~~~~~~
| sg_init_table
scatterlist.c: In function 'sg_kmalloc':
>> scatterlist.c:151:22: error: 'SG_MAX_SINGLE_ALLOC' undeclared (first use in this function)
151 | if (nents == SG_MAX_SINGLE_ALLOC) {
| ^~~~~~~~~~~~~~~~~~~
scatterlist.c:151:22: note: each undeclared identifier is reported only once for each function it appears in
scatterlist.c: In function 'sg_kfree':
scatterlist.c:171:22: error: 'SG_MAX_SINGLE_ALLOC' undeclared (first use in this function)
171 | if (nents == SG_MAX_SINGLE_ALLOC) {
| ^~~~~~~~~~~~~~~~~~~
scatterlist.c: At top level:
>> scatterlist.c:194:54: error: unknown type name 'sg_free_fn'
194 | unsigned int nents_first_chunk, sg_free_fn *free_fn,
| ^~~~~~~~~~
scatterlist.c: In function 'sg_free_append_table':
>> scatterlist.c:243:9: error: implicit declaration of function '__sg_free_table' [-Wimplicit-function-declaration]
243 | __sg_free_table(&table->sgt, SG_MAX_SINGLE_ALLOC, 0, sg_kfree,
| ^~~~~~~~~~~~~~~
scatterlist.c:243:38: error: 'SG_MAX_SINGLE_ALLOC' undeclared (first use in this function)
243 | __sg_free_table(&table->sgt, SG_MAX_SINGLE_ALLOC, 0, sg_kfree,
| ^~~~~~~~~~~~~~~~~~~
scatterlist.c: In function 'sg_free_table':
scatterlist.c:256:32: error: 'SG_MAX_SINGLE_ALLOC' undeclared (first use in this function)
256 | __sg_free_table(table, SG_MAX_SINGLE_ALLOC, 0, sg_kfree,
| ^~~~~~~~~~~~~~~~~~~
scatterlist.c: At top level:
>> scatterlist.c:285:22: error: unknown type name 'sg_alloc_fn'
285 | sg_alloc_fn *alloc_fn)
| ^~~~~~~~~~~
scatterlist.c: In function 'sg_alloc_table':
>> scatterlist.c:375:15: error: implicit declaration of function '__sg_alloc_table'; did you mean 'sg_alloc_table'? [-Wimplicit-function-declaration]
375 | ret = __sg_alloc_table(table, nents, SG_MAX_SINGLE_ALLOC,
| ^~~~~~~~~~~~~~~~
| sg_alloc_table
scatterlist.c:375:46: error: 'SG_MAX_SINGLE_ALLOC' undeclared (first use in this function)
375 | ret = __sg_alloc_table(table, nents, SG_MAX_SINGLE_ALLOC,
| ^~~~~~~~~~~~~~~~~~~
scatterlist.c: In function 'get_next_sg':
scatterlist.c:398:56: error: 'SG_MAX_SINGLE_ALLOC' undeclared (first use in this function)
398 | alloc_size = min_t(unsigned long, needed_sges, SG_MAX_SINGLE_ALLOC);
| ^~~~~~~~~~~~~~~~~~~
./linux/mm.h:58:20: note: in definition of macro '__min'
58 | t2 min2 = (y); \
| ^
scatterlist.c:398:22: note: in expansion of macro 'min_t'
398 | alloc_size = min_t(unsigned long, needed_sges, SG_MAX_SINGLE_ALLOC);
| ^~~~~
scatterlist.c: At top level:
>> scatterlist.c:712:34: warning: 'struct sg_page_iter' declared inside parameter list will not be visible outside of this definition or declaration
712 | void __sg_page_iter_start(struct sg_page_iter *piter,
| ^~~~~~~~~~~~
scatterlist.c: In function '__sg_page_iter_start':
>> scatterlist.c:716:14: error: invalid use of undefined type 'struct sg_page_iter'
716 | piter->__pg_advance = 0;
| ^~
scatterlist.c:717:14: error: invalid use of undefined type 'struct sg_page_iter'
717 | piter->__nents = nents;
| ^~
scatterlist.c:719:14: error: invalid use of undefined type 'struct sg_page_iter'
719 | piter->sg = sglist;
| ^~
scatterlist.c:720:14: error: invalid use of undefined type 'struct sg_page_iter'
720 | piter->sg_pgoffset = pgoffset;
| ^~
scatterlist.c: At top level:
scatterlist.c:729:33: warning: 'struct sg_page_iter' declared inside parameter list will not be visible outside of this definition or declaration
729 | bool __sg_page_iter_next(struct sg_page_iter *piter)
| ^~~~~~~~~~~~
scatterlist.c: In function '__sg_page_iter_next':
scatterlist.c:731:19: error: invalid use of undefined type 'struct sg_page_iter'
731 | if (!piter->__nents || !piter->sg)
| ^~
scatterlist.c:731:38: error: invalid use of undefined type 'struct sg_page_iter'
731 | if (!piter->__nents || !piter->sg)
| ^~
scatterlist.c:734:14: error: invalid use of undefined type 'struct sg_page_iter'
734 | piter->sg_pgoffset += piter->__pg_advance;
| ^~
scatterlist.c:734:36: error: invalid use of undefined type 'struct sg_page_iter'
734 | piter->sg_pgoffset += piter->__pg_advance;
| ^~
scatterlist.c:735:14: error: invalid use of undefined type 'struct sg_page_iter'
735 | piter->__pg_advance = 1;
| ^~
scatterlist.c:737:21: error: invalid use of undefined type 'struct sg_page_iter'
737 | while (piter->sg_pgoffset >= sg_page_count(piter->sg)) {
| ^~
scatterlist.c:737:57: error: invalid use of undefined type 'struct sg_page_iter'
737 | while (piter->sg_pgoffset >= sg_page_count(piter->sg)) {
| ^~
scatterlist.c:738:22: error: invalid use of undefined type 'struct sg_page_iter'
738 | piter->sg_pgoffset -= sg_page_count(piter->sg);
| ^~
scatterlist.c:738:58: error: invalid use of undefined type 'struct sg_page_iter'
738 | piter->sg_pgoffset -= sg_page_count(piter->sg);
| ^~
scatterlist.c:739:22: error: invalid use of undefined type 'struct sg_page_iter'
739 | piter->sg = sg_next(piter->sg);
| ^~
scatterlist.c:739:42: error: invalid use of undefined type 'struct sg_page_iter'
739 | piter->sg = sg_next(piter->sg);
| ^~
scatterlist.c:740:29: error: invalid use of undefined type 'struct sg_page_iter'
740 | if (!--piter->__nents || !piter->sg)
| ^~
scatterlist.c:740:48: error: invalid use of undefined type 'struct sg_page_iter'
740 | if (!--piter->__nents || !piter->sg)
| ^~
scatterlist.c: At top level:
>> scatterlist.c:753:37: warning: 'struct sg_dma_page_iter' declared inside parameter list will not be visible outside of this definition or declaration
753 | bool __sg_page_iter_dma_next(struct sg_dma_page_iter *dma_iter)
| ^~~~~~~~~~~~~~~~
scatterlist.c: In function '__sg_page_iter_dma_next':
>> scatterlist.c:755:47: error: invalid use of undefined type 'struct sg_dma_page_iter'
755 | struct sg_page_iter *piter = &dma_iter->base;
| ^~
scatterlist.c:757:19: error: invalid use of undefined type 'struct sg_page_iter'
757 | if (!piter->__nents || !piter->sg)
| ^~
scatterlist.c:757:38: error: invalid use of undefined type 'struct sg_page_iter'
757 | if (!piter->__nents || !piter->sg)
| ^~
scatterlist.c:760:14: error: invalid use of undefined type 'struct sg_page_iter'
760 | piter->sg_pgoffset += piter->__pg_advance;
| ^~
scatterlist.c:760:36: error: invalid use of undefined type 'struct sg_page_iter'
760 | piter->sg_pgoffset += piter->__pg_advance;
| ^~
scatterlist.c:761:14: error: invalid use of undefined type 'struct sg_page_iter'
761 | piter->__pg_advance = 1;
| ^~
scatterlist.c:763:21: error: invalid use of undefined type 'struct sg_page_iter'
763 | while (piter->sg_pgoffset >= sg_dma_page_count(piter->sg)) {
| ^~
scatterlist.c:763:61: error: invalid use of undefined type 'struct sg_page_iter'
763 | while (piter->sg_pgoffset >= sg_dma_page_count(piter->sg)) {
| ^~
scatterlist.c:764:22: error: invalid use of undefined type 'struct sg_page_iter'
764 | piter->sg_pgoffset -= sg_dma_page_count(piter->sg);
| ^~
scatterlist.c:764:62: error: invalid use of undefined type 'struct sg_page_iter'
764 | piter->sg_pgoffset -= sg_dma_page_count(piter->sg);
| ^~
scatterlist.c:765:22: error: invalid use of undefined type 'struct sg_page_iter'
765 | piter->sg = sg_next(piter->sg);
| ^~
scatterlist.c:765:42: error: invalid use of undefined type 'struct sg_page_iter'
765 | piter->sg = sg_next(piter->sg);
| ^~
scatterlist.c:766:29: error: invalid use of undefined type 'struct sg_page_iter'
766 | if (!--piter->__nents || !piter->sg)
| ^~
scatterlist.c:766:48: error: invalid use of undefined type 'struct sg_page_iter'
766 | if (!--piter->__nents || !piter->sg)
| ^~
scatterlist.c: At top level:
>> scatterlist.c:786:28: warning: 'struct sg_mapping_iter' declared inside parameter list will not be visible outside of this definition or declaration
786 | void sg_miter_start(struct sg_mapping_iter *miter, struct scatterlist *sgl,
| ^~~~~~~~~~~~~~~
scatterlist.c: In function 'sg_miter_start':
>> scatterlist.c:789:33: error: invalid application of 'sizeof' to incomplete type 'struct sg_mapping_iter'
789 | memset(miter, 0, sizeof(struct sg_mapping_iter));
| ^~~~~~
>> scatterlist.c:791:36: error: invalid use of undefined type 'struct sg_mapping_iter'
791 | __sg_page_iter_start(&miter->piter, sgl, nents, 0);
| ^~
>> scatterlist.c:792:28: error: 'SG_MITER_TO_SG' undeclared (first use in this function)
792 | WARN_ON(!(flags & (SG_MITER_TO_SG | SG_MITER_FROM_SG)));
| ^~~~~~~~~~~~~~
./linux/mm.h:18:32: note: in definition of macro 'WARN_ON'
18 | int __ret_warn_on = !!(condition); \
| ^~~~~~~~~
>> scatterlist.c:792:45: error: 'SG_MITER_FROM_SG' undeclared (first use in this function)
792 | WARN_ON(!(flags & (SG_MITER_TO_SG | SG_MITER_FROM_SG)));
| ^~~~~~~~~~~~~~~~
./linux/mm.h:18:32: note: in definition of macro 'WARN_ON'
18 | int __ret_warn_on = !!(condition); \
| ^~~~~~~~~
scatterlist.c:793:14: error: invalid use of undefined type 'struct sg_mapping_iter'
793 | miter->__flags = flags;
| ^~
scatterlist.c: At top level:
scatterlist.c:797:36: warning: 'struct sg_mapping_iter' declared inside parameter list will not be visible outside of this definition or declaration
797 | bool sg_miter_get_next_page(struct sg_mapping_iter *miter)
| ^~~~~~~~~~~~~~~
scatterlist.c: In function 'sg_miter_get_next_page':
scatterlist.c:799:19: error: invalid use of undefined type 'struct sg_mapping_iter'
799 | if (!miter->__remaining) {
| ^~
scatterlist.c:802:48: error: invalid use of undefined type 'struct sg_mapping_iter'
802 | if (!__sg_page_iter_next(&miter->piter))
| ^~
scatterlist.c:805:27: error: invalid use of undefined type 'struct sg_mapping_iter'
805 | sg = miter->piter.sg;
| ^~
scatterlist.c:807:22: error: invalid use of undefined type 'struct sg_mapping_iter'
807 | miter->__offset = miter->piter.sg_pgoffset ? 0 : sg->offset;
| ^~
scatterlist.c:807:40: error: invalid use of undefined type 'struct sg_mapping_iter'
807 | miter->__offset = miter->piter.sg_pgoffset ? 0 : sg->offset;
| ^~
scatterlist.c:808:22: error: invalid use of undefined type 'struct sg_mapping_iter'
808 | miter->piter.sg_pgoffset += miter->__offset >> PAGE_SHIFT;
| ^~
scatterlist.c:808:50: error: invalid use of undefined type 'struct sg_mapping_iter'
808 | miter->piter.sg_pgoffset += miter->__offset >> PAGE_SHIFT;
| ^~
scatterlist.c:809:22: error: invalid use of undefined type 'struct sg_mapping_iter'
809 | miter->__offset &= PAGE_SIZE - 1;
| ^~
scatterlist.c:810:22: error: invalid use of undefined type 'struct sg_mapping_iter'
810 | miter->__remaining = sg->offset + sg->length -
| ^~
scatterlist.c:811:44: error: invalid use of undefined type 'struct sg_mapping_iter'
811 | (miter->piter.sg_pgoffset << PAGE_SHIFT) -
| ^~
scatterlist.c:812:43: error: invalid use of undefined type 'struct sg_mapping_iter'
812 | miter->__offset;
| ^~
scatterlist.c:813:22: error: invalid use of undefined type 'struct sg_mapping_iter'
813 | miter->__remaining = min_t(unsigned long, miter->__remaining,
| ^~
scatterlist.c:813:64: error: invalid use of undefined type 'struct sg_mapping_iter'
813 | miter->__remaining = min_t(unsigned long, miter->__remaining,
| ^~
./linux/mm.h:57:20: note: in definition of macro '__min'
57 | t1 min1 = (x); \
| ^
scatterlist.c:813:38: note: in expansion of macro 'min_t'
813 | miter->__remaining = min_t(unsigned long, miter->__remaining,
| ^~~~~
scatterlist.c:814:61: error: invalid use of undefined type 'struct sg_mapping_iter'
814 | PAGE_SIZE - miter->__offset);
| ^~
./linux/mm.h:58:20: note: in definition of macro '__min'
58 | t2 min2 = (y); \
| ^
scatterlist.c:813:38: note: in expansion of macro 'min_t'
813 | miter->__remaining = min_t(unsigned long, miter->__remaining,
| ^~~~~
scatterlist.c: At top level:
scatterlist.c:837:27: warning: 'struct sg_mapping_iter' declared inside parameter list will not be visible outside of this definition or declaration
837 | bool sg_miter_skip(struct sg_mapping_iter *miter, off_t offset)
| ^~~~~~~~~~~~~~~
scatterlist.c: In function 'sg_miter_skip':
>> scatterlist.c:839:9: error: implicit declaration of function 'sg_miter_stop'; did you mean 'sg_miter_skip'? [-Wimplicit-function-declaration]
839 | sg_miter_stop(miter);
| ^~~~~~~~~~~~~
| sg_miter_skip
>> scatterlist.c:844:45: error: passing argument 1 of 'sg_miter_get_next_page' from incompatible pointer type [-Wincompatible-pointer-types]
844 | if (!sg_miter_get_next_page(miter))
| ^~~~~
| |
| struct sg_mapping_iter *
scatterlist.c:797:53: note: expected 'struct sg_mapping_iter *' but argument is of type 'struct sg_mapping_iter *'
797 | bool sg_miter_get_next_page(struct sg_mapping_iter *miter)
| ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
scatterlist.c:847:54: error: invalid use of undefined type 'struct sg_mapping_iter'
847 | consumed = min_t(off_t, offset, miter->__remaining);
| ^~
./linux/mm.h:58:20: note: in definition of macro '__min'
58 | t2 min2 = (y); \
| ^
scatterlist.c:847:28: note: in expansion of macro 'min_t'
847 | consumed = min_t(off_t, offset, miter->__remaining);
| ^~~~~
scatterlist.c:848:22: error: invalid use of undefined type 'struct sg_mapping_iter'
848 | miter->__offset += consumed;
| ^~
scatterlist.c:849:22: error: invalid use of undefined type 'struct sg_mapping_iter'
849 | miter->__remaining -= consumed;
| ^~
scatterlist.c: At top level:
scatterlist.c:873:27: warning: 'struct sg_mapping_iter' declared inside parameter list will not be visible outside of this definition or declaration
873 | bool sg_miter_next(struct sg_mapping_iter *miter)
| ^~~~~~~~~~~~~~~
scatterlist.c: In function 'sg_miter_next':
scatterlist.c:881:37: error: passing argument 1 of 'sg_miter_get_next_page' from incompatible pointer type [-Wincompatible-pointer-types]
881 | if (!sg_miter_get_next_page(miter))
| ^~~~~
| |
| struct sg_mapping_iter *
scatterlist.c:797:53: note: expected 'struct sg_mapping_iter *' but argument is of type 'struct sg_mapping_iter *'
797 | bool sg_miter_get_next_page(struct sg_mapping_iter *miter)
| ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
scatterlist.c:884:14: error: invalid use of undefined type 'struct sg_mapping_iter'
884 | miter->page = sg_page_iter_page(&miter->piter);
| ^~
>> scatterlist.c:884:23: error: implicit declaration of function 'sg_page_iter_page' [-Wimplicit-function-declaration]
884 | miter->page = sg_page_iter_page(&miter->piter);
| ^~~~~~~~~~~~~~~~~
scatterlist.c:884:47: error: invalid use of undefined type 'struct sg_mapping_iter'
884 | miter->page = sg_page_iter_page(&miter->piter);
| ^~
scatterlist.c:885:14: error: invalid use of undefined type 'struct sg_mapping_iter'
885 | miter->consumed = miter->length = miter->__remaining;
| ^~
scatterlist.c:885:32: error: invalid use of undefined type 'struct sg_mapping_iter'
885 | miter->consumed = miter->length = miter->__remaining;
| ^~
scatterlist.c:885:48: error: invalid use of undefined type 'struct sg_mapping_iter'
885 | miter->consumed = miter->length = miter->__remaining;
| ^~
scatterlist.c:887:18: error: invalid use of undefined type 'struct sg_mapping_iter'
887 | if (miter->__flags & SG_MITER_ATOMIC)
| ^~
>> scatterlist.c:887:30: error: 'SG_MITER_ATOMIC' undeclared (first use in this function)
887 | if (miter->__flags & SG_MITER_ATOMIC)
| ^~~~~~~~~~~~~~~
scatterlist.c:888:22: error: invalid use of undefined type 'struct sg_mapping_iter'
888 | miter->addr = kmap_atomic(miter->page) + miter->__offset;
| ^~
scatterlist.c:888:48: error: invalid use of undefined type 'struct sg_mapping_iter'
888 | miter->addr = kmap_atomic(miter->page) + miter->__offset;
| ^~
scatterlist.c:888:63: error: invalid use of undefined type 'struct sg_mapping_iter'
888 | miter->addr = kmap_atomic(miter->page) + miter->__offset;
| ^~
scatterlist.c:890:22: error: invalid use of undefined type 'struct sg_mapping_iter'
890 | miter->addr = kmap(miter->page) + miter->__offset;
| ^~
scatterlist.c:890:41: error: invalid use of undefined type 'struct sg_mapping_iter'
890 | miter->addr = kmap(miter->page) + miter->__offset;
| ^~
scatterlist.c:890:56: error: invalid use of undefined type 'struct sg_mapping_iter'
890 | miter->addr = kmap(miter->page) + miter->__offset;
| ^~
scatterlist.c: At top level:
scatterlist.c:909:27: warning: 'struct sg_mapping_iter' declared inside parameter list will not be visible outside of this definition or declaration
909 | void sg_miter_stop(struct sg_mapping_iter *miter)
| ^~~~~~~~~~~~~~~
>> scatterlist.c:909:6: warning: conflicting types for 'sg_miter_stop'; have 'void(struct sg_mapping_iter *)'
909 | void sg_miter_stop(struct sg_mapping_iter *miter)
| ^~~~~~~~~~~~~
scatterlist.c:839:9: note: previous implicit declaration of 'sg_miter_stop' with type 'void(struct sg_mapping_iter *)'
839 | sg_miter_stop(miter);
| ^~~~~~~~~~~~~
scatterlist.c: In function 'sg_miter_stop':
scatterlist.c:911:22: error: invalid use of undefined type 'struct sg_mapping_iter'
911 | WARN_ON(miter->consumed > miter->length);
| ^~
./linux/mm.h:18:32: note: in definition of macro 'WARN_ON'
18 | int __ret_warn_on = !!(condition); \
| ^~~~~~~~~
scatterlist.c:911:40: error: invalid use of undefined type 'struct sg_mapping_iter'
911 | WARN_ON(miter->consumed > miter->length);
| ^~
./linux/mm.h:18:32: note: in definition of macro 'WARN_ON'
18 | int __ret_warn_on = !!(condition); \
| ^~~~~~~~~
scatterlist.c:914:18: error: invalid use of undefined type 'struct sg_mapping_iter'
914 | if (miter->addr) {
| ^~
scatterlist.c:915:22: error: invalid use of undefined type 'struct sg_mapping_iter'
915 | miter->__offset += miter->consumed;
| ^~
scatterlist.c:915:41: error: invalid use of undefined type 'struct sg_mapping_iter'
915 | miter->__offset += miter->consumed;
| ^~
scatterlist.c:916:22: error: invalid use of undefined type 'struct sg_mapping_iter'
916 | miter->__remaining -= miter->consumed;
| ^~
scatterlist.c:916:44: error: invalid use of undefined type 'struct sg_mapping_iter'
916 | miter->__remaining -= miter->consumed;
| ^~
scatterlist.c:918:26: error: invalid use of undefined type 'struct sg_mapping_iter'
918 | if (miter->__flags & SG_MITER_TO_SG)
| ^~
scatterlist.c:918:38: error: 'SG_MITER_TO_SG' undeclared (first use in this function)
918 | if (miter->__flags & SG_MITER_TO_SG)
| ^~~~~~~~~~~~~~
scatterlist.c:921:26: error: invalid use of undefined type 'struct sg_mapping_iter'
921 | if (miter->__flags & SG_MITER_ATOMIC) {
| ^~
scatterlist.c:921:38: error: 'SG_MITER_ATOMIC' undeclared (first use in this function)
921 | if (miter->__flags & SG_MITER_ATOMIC) {
| ^~~~~~~~~~~~~~~
scatterlist.c:923:44: error: invalid use of undefined type 'struct sg_mapping_iter'
923 | kunmap_atomic(miter->addr);
| ^~
scatterlist.c:925:37: error: invalid use of undefined type 'struct sg_mapping_iter'
925 | kunmap(miter->page);
| ^~
scatterlist.c:927:22: error: invalid use of undefined type 'struct sg_mapping_iter'
927 | miter->page = NULL;
| ^~
scatterlist.c:928:22: error: invalid use of undefined type 'struct sg_mapping_iter'
928 | miter->addr = NULL;
| ^~
scatterlist.c:929:22: error: invalid use of undefined type 'struct sg_mapping_iter'
929 | miter->length = 0;
| ^~
scatterlist.c:930:22: error: invalid use of undefined type 'struct sg_mapping_iter'
930 | miter->consumed = 0;
| ^~
scatterlist.c: In function 'sg_copy_buffer':
scatterlist.c:952:32: error: storage size of 'miter' isn't known
952 | struct sg_mapping_iter miter;
| ^~~~~
scatterlist.c:953:33: error: 'SG_MITER_ATOMIC' undeclared (first use in this function)
953 | unsigned int sg_flags = SG_MITER_ATOMIC;
| ^~~~~~~~~~~~~~~
scatterlist.c:956:29: error: 'SG_MITER_FROM_SG' undeclared (first use in this function)
956 | sg_flags |= SG_MITER_FROM_SG;
| ^~~~~~~~~~~~~~~~
scatterlist.c:958:29: error: 'SG_MITER_TO_SG' undeclared (first use in this function)
958 | sg_flags |= SG_MITER_TO_SG;
| ^~~~~~~~~~~~~~
./linux/mm.h:59:23: warning: comparison of distinct pointer types lacks a cast [-Wcompare-distinct-pointer-types]
59 | (void) (&min1 == &min2); \
| ^~
./linux/mm.h:68:9: note: in expansion of macro '__min'
68 | __min(typeof(x), typeof(y), \
| ^~~~~
scatterlist.c:968:23: note: in expansion of macro 'min'
968 | len = min(miter.length, buflen - offset);
| ^~~
scatterlist.c:952:32: warning: unused variable 'miter' [-Wunused-variable]
952 | struct sg_mapping_iter miter;
| ^~~~~
scatterlist.c: In function 'sg_zero_buffer':
scatterlist.c:1067:32: error: storage size of 'miter' isn't known
1067 | struct sg_mapping_iter miter;
| ^~~~~
scatterlist.c:1068:33: error: 'SG_MITER_ATOMIC' undeclared (first use in this function)
1068 | unsigned int sg_flags = SG_MITER_ATOMIC | SG_MITER_TO_SG;
| ^~~~~~~~~~~~~~~
scatterlist.c:1068:51: error: 'SG_MITER_TO_SG' undeclared (first use in this function)
1068 | unsigned int sg_flags = SG_MITER_ATOMIC | SG_MITER_TO_SG;
| ^~~~~~~~~~~~~~
./linux/mm.h:59:23: warning: comparison of distinct pointer types lacks a cast [-Wcompare-distinct-pointer-types]
59 | (void) (&min1 == &min2); \
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread
* [android-common:android14-kiwi-6.1 105/105] ../../../lib/maple_tree.c:921:17: error: 'fallthrough' undeclared
@ 2026-02-06 2:39 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-02-06 2:39 UTC (permalink / raw)
To: cros-kernel-buildreports; +Cc: oe-kbuild-all
tree: https://android.googlesource.com/kernel/common android14-kiwi-6.1
head: d9208b34f28d2b57c8c195fd5e1a9d0688f7eb78
commit: cc2f2507f3f05612c61c4b8f11bb91efbb9ad495 [105/105] maple_tree: fix freeing of nodes in rcu mode
config: x86_64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260206/202602060216.tkRq9Wj7-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260206/202602060216.tkRq9Wj7-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202602060216.tkRq9Wj7-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from maple.c:23:
../../../lib/maple_tree.c: In function 'mas_clear_meta':
>> ../../../lib/maple_tree.c:921:17: error: 'fallthrough' undeclared (first use in this function)
921 | fallthrough;
| ^~~~~~~~~~~
../../../lib/maple_tree.c:921:17: note: each undeclared identifier is reported only once for each function it appears in
--
In file included from ./linux/scatterlist.h:8,
from scatterlist.c:9:
./linux/mm.h:113:21: error: conflicting types for 'kmalloc'; have 'void *(unsigned int, unsigned int)'
113 | static inline void *kmalloc(unsigned int size, unsigned int flags)
| ^~~~~~~
In file included from scatterlist.c:8:
../../include/linux/slab.h:13:7: note: previous declaration of 'kmalloc' with type 'void *(size_t, gfp_t)' {aka 'void *(long unsigned int, gfp_t)'}
13 | void *kmalloc(size_t size, gfp_t gfp);
| ^~~~~~~
./linux/scatterlist.h:317:1: error: unterminated comment
317 | /**
| ^
./linux/scatterlist.h:2: error: unterminated #ifndef
2 | #ifndef _LINUX_SCATTERLIST_H
scatterlist.c: In function 'sg_init_table':
>> scatterlist.c:127:9: error: implicit declaration of function 'sg_init_marker'; did you mean 'sg_init_table'? [-Wimplicit-function-declaration]
127 | sg_init_marker(sgl, nents);
| ^~~~~~~~~~~~~~
| sg_init_table
scatterlist.c: In function 'sg_kmalloc':
>> scatterlist.c:151:22: error: 'SG_MAX_SINGLE_ALLOC' undeclared (first use in this function)
151 | if (nents == SG_MAX_SINGLE_ALLOC) {
| ^~~~~~~~~~~~~~~~~~~
scatterlist.c:151:22: note: each undeclared identifier is reported only once for each function it appears in
scatterlist.c: In function 'sg_kfree':
scatterlist.c:171:22: error: 'SG_MAX_SINGLE_ALLOC' undeclared (first use in this function)
171 | if (nents == SG_MAX_SINGLE_ALLOC) {
| ^~~~~~~~~~~~~~~~~~~
scatterlist.c: At top level:
>> scatterlist.c:194:54: error: unknown type name 'sg_free_fn'
194 | unsigned int nents_first_chunk, sg_free_fn *free_fn,
| ^~~~~~~~~~
scatterlist.c: In function 'sg_free_append_table':
>> scatterlist.c:243:9: error: implicit declaration of function '__sg_free_table' [-Wimplicit-function-declaration]
243 | __sg_free_table(&table->sgt, SG_MAX_SINGLE_ALLOC, 0, sg_kfree,
| ^~~~~~~~~~~~~~~
scatterlist.c:243:38: error: 'SG_MAX_SINGLE_ALLOC' undeclared (first use in this function)
243 | __sg_free_table(&table->sgt, SG_MAX_SINGLE_ALLOC, 0, sg_kfree,
| ^~~~~~~~~~~~~~~~~~~
scatterlist.c: In function 'sg_free_table':
scatterlist.c:256:32: error: 'SG_MAX_SINGLE_ALLOC' undeclared (first use in this function)
256 | __sg_free_table(table, SG_MAX_SINGLE_ALLOC, 0, sg_kfree,
| ^~~~~~~~~~~~~~~~~~~
scatterlist.c: At top level:
>> scatterlist.c:285:22: error: unknown type name 'sg_alloc_fn'
285 | sg_alloc_fn *alloc_fn)
| ^~~~~~~~~~~
scatterlist.c: In function 'sg_alloc_table':
>> scatterlist.c:375:15: error: implicit declaration of function '__sg_alloc_table'; did you mean 'sg_alloc_table'? [-Wimplicit-function-declaration]
375 | ret = __sg_alloc_table(table, nents, SG_MAX_SINGLE_ALLOC,
| ^~~~~~~~~~~~~~~~
| sg_alloc_table
scatterlist.c:375:46: error: 'SG_MAX_SINGLE_ALLOC' undeclared (first use in this function)
375 | ret = __sg_alloc_table(table, nents, SG_MAX_SINGLE_ALLOC,
| ^~~~~~~~~~~~~~~~~~~
scatterlist.c: In function 'get_next_sg':
scatterlist.c:398:56: error: 'SG_MAX_SINGLE_ALLOC' undeclared (first use in this function)
398 | alloc_size = min_t(unsigned long, needed_sges, SG_MAX_SINGLE_ALLOC);
| ^~~~~~~~~~~~~~~~~~~
./linux/mm.h:58:20: note: in definition of macro '__min'
58 | t2 min2 = (y); \
| ^
scatterlist.c:398:22: note: in expansion of macro 'min_t'
398 | alloc_size = min_t(unsigned long, needed_sges, SG_MAX_SINGLE_ALLOC);
| ^~~~~
scatterlist.c: At top level:
>> scatterlist.c:712:34: warning: 'struct sg_page_iter' declared inside parameter list will not be visible outside of this definition or declaration
712 | void __sg_page_iter_start(struct sg_page_iter *piter,
| ^~~~~~~~~~~~
scatterlist.c: In function '__sg_page_iter_start':
>> scatterlist.c:716:14: error: invalid use of undefined type 'struct sg_page_iter'
716 | piter->__pg_advance = 0;
| ^~
scatterlist.c:717:14: error: invalid use of undefined type 'struct sg_page_iter'
717 | piter->__nents = nents;
| ^~
scatterlist.c:719:14: error: invalid use of undefined type 'struct sg_page_iter'
719 | piter->sg = sglist;
| ^~
scatterlist.c:720:14: error: invalid use of undefined type 'struct sg_page_iter'
720 | piter->sg_pgoffset = pgoffset;
| ^~
scatterlist.c: At top level:
scatterlist.c:729:33: warning: 'struct sg_page_iter' declared inside parameter list will not be visible outside of this definition or declaration
729 | bool __sg_page_iter_next(struct sg_page_iter *piter)
| ^~~~~~~~~~~~
scatterlist.c: In function '__sg_page_iter_next':
scatterlist.c:731:19: error: invalid use of undefined type 'struct sg_page_iter'
731 | if (!piter->__nents || !piter->sg)
| ^~
scatterlist.c:731:38: error: invalid use of undefined type 'struct sg_page_iter'
731 | if (!piter->__nents || !piter->sg)
| ^~
scatterlist.c:734:14: error: invalid use of undefined type 'struct sg_page_iter'
734 | piter->sg_pgoffset += piter->__pg_advance;
| ^~
scatterlist.c:734:36: error: invalid use of undefined type 'struct sg_page_iter'
734 | piter->sg_pgoffset += piter->__pg_advance;
| ^~
scatterlist.c:735:14: error: invalid use of undefined type 'struct sg_page_iter'
735 | piter->__pg_advance = 1;
| ^~
scatterlist.c:737:21: error: invalid use of undefined type 'struct sg_page_iter'
737 | while (piter->sg_pgoffset >= sg_page_count(piter->sg)) {
| ^~
scatterlist.c:737:57: error: invalid use of undefined type 'struct sg_page_iter'
737 | while (piter->sg_pgoffset >= sg_page_count(piter->sg)) {
| ^~
scatterlist.c:738:22: error: invalid use of undefined type 'struct sg_page_iter'
738 | piter->sg_pgoffset -= sg_page_count(piter->sg);
| ^~
scatterlist.c:738:58: error: invalid use of undefined type 'struct sg_page_iter'
738 | piter->sg_pgoffset -= sg_page_count(piter->sg);
| ^~
scatterlist.c:739:22: error: invalid use of undefined type 'struct sg_page_iter'
739 | piter->sg = sg_next(piter->sg);
| ^~
scatterlist.c:739:42: error: invalid use of undefined type 'struct sg_page_iter'
739 | piter->sg = sg_next(piter->sg);
| ^~
scatterlist.c:740:29: error: invalid use of undefined type 'struct sg_page_iter'
740 | if (!--piter->__nents || !piter->sg)
| ^~
scatterlist.c:740:48: error: invalid use of undefined type 'struct sg_page_iter'
740 | if (!--piter->__nents || !piter->sg)
| ^~
scatterlist.c: At top level:
>> scatterlist.c:753:37: warning: 'struct sg_dma_page_iter' declared inside parameter list will not be visible outside of this definition or declaration
753 | bool __sg_page_iter_dma_next(struct sg_dma_page_iter *dma_iter)
| ^~~~~~~~~~~~~~~~
scatterlist.c: In function '__sg_page_iter_dma_next':
>> scatterlist.c:755:47: error: invalid use of undefined type 'struct sg_dma_page_iter'
755 | struct sg_page_iter *piter = &dma_iter->base;
| ^~
scatterlist.c:757:19: error: invalid use of undefined type 'struct sg_page_iter'
757 | if (!piter->__nents || !piter->sg)
| ^~
scatterlist.c:757:38: error: invalid use of undefined type 'struct sg_page_iter'
757 | if (!piter->__nents || !piter->sg)
| ^~
scatterlist.c:760:14: error: invalid use of undefined type 'struct sg_page_iter'
760 | piter->sg_pgoffset += piter->__pg_advance;
| ^~
scatterlist.c:760:36: error: invalid use of undefined type 'struct sg_page_iter'
760 | piter->sg_pgoffset += piter->__pg_advance;
| ^~
scatterlist.c:761:14: error: invalid use of undefined type 'struct sg_page_iter'
761 | piter->__pg_advance = 1;
| ^~
scatterlist.c:763:21: error: invalid use of undefined type 'struct sg_page_iter'
763 | while (piter->sg_pgoffset >= sg_dma_page_count(piter->sg)) {
| ^~
scatterlist.c:763:61: error: invalid use of undefined type 'struct sg_page_iter'
763 | while (piter->sg_pgoffset >= sg_dma_page_count(piter->sg)) {
| ^~
scatterlist.c:764:22: error: invalid use of undefined type 'struct sg_page_iter'
764 | piter->sg_pgoffset -= sg_dma_page_count(piter->sg);
| ^~
scatterlist.c:764:62: error: invalid use of undefined type 'struct sg_page_iter'
764 | piter->sg_pgoffset -= sg_dma_page_count(piter->sg);
| ^~
scatterlist.c:765:22: error: invalid use of undefined type 'struct sg_page_iter'
765 | piter->sg = sg_next(piter->sg);
| ^~
scatterlist.c:765:42: error: invalid use of undefined type 'struct sg_page_iter'
765 | piter->sg = sg_next(piter->sg);
| ^~
scatterlist.c:766:29: error: invalid use of undefined type 'struct sg_page_iter'
766 | if (!--piter->__nents || !piter->sg)
| ^~
scatterlist.c:766:48: error: invalid use of undefined type 'struct sg_page_iter'
766 | if (!--piter->__nents || !piter->sg)
| ^~
scatterlist.c: At top level:
>> scatterlist.c:786:28: warning: 'struct sg_mapping_iter' declared inside parameter list will not be visible outside of this definition or declaration
786 | void sg_miter_start(struct sg_mapping_iter *miter, struct scatterlist *sgl,
| ^~~~~~~~~~~~~~~
scatterlist.c: In function 'sg_miter_start':
>> scatterlist.c:789:33: error: invalid application of 'sizeof' to incomplete type 'struct sg_mapping_iter'
789 | memset(miter, 0, sizeof(struct sg_mapping_iter));
| ^~~~~~
>> scatterlist.c:791:36: error: invalid use of undefined type 'struct sg_mapping_iter'
791 | __sg_page_iter_start(&miter->piter, sgl, nents, 0);
| ^~
>> scatterlist.c:792:28: error: 'SG_MITER_TO_SG' undeclared (first use in this function)
792 | WARN_ON(!(flags & (SG_MITER_TO_SG | SG_MITER_FROM_SG)));
| ^~~~~~~~~~~~~~
./linux/mm.h:18:32: note: in definition of macro 'WARN_ON'
18 | int __ret_warn_on = !!(condition); \
| ^~~~~~~~~
>> scatterlist.c:792:45: error: 'SG_MITER_FROM_SG' undeclared (first use in this function)
792 | WARN_ON(!(flags & (SG_MITER_TO_SG | SG_MITER_FROM_SG)));
| ^~~~~~~~~~~~~~~~
./linux/mm.h:18:32: note: in definition of macro 'WARN_ON'
18 | int __ret_warn_on = !!(condition); \
| ^~~~~~~~~
scatterlist.c:793:14: error: invalid use of undefined type 'struct sg_mapping_iter'
793 | miter->__flags = flags;
| ^~
scatterlist.c: At top level:
scatterlist.c:797:36: warning: 'struct sg_mapping_iter' declared inside parameter list will not be visible outside of this definition or declaration
797 | bool sg_miter_get_next_page(struct sg_mapping_iter *miter)
| ^~~~~~~~~~~~~~~
scatterlist.c: In function 'sg_miter_get_next_page':
scatterlist.c:799:19: error: invalid use of undefined type 'struct sg_mapping_iter'
799 | if (!miter->__remaining) {
| ^~
scatterlist.c:802:48: error: invalid use of undefined type 'struct sg_mapping_iter'
802 | if (!__sg_page_iter_next(&miter->piter))
| ^~
scatterlist.c:805:27: error: invalid use of undefined type 'struct sg_mapping_iter'
805 | sg = miter->piter.sg;
| ^~
scatterlist.c:807:22: error: invalid use of undefined type 'struct sg_mapping_iter'
807 | miter->__offset = miter->piter.sg_pgoffset ? 0 : sg->offset;
| ^~
scatterlist.c:807:40: error: invalid use of undefined type 'struct sg_mapping_iter'
807 | miter->__offset = miter->piter.sg_pgoffset ? 0 : sg->offset;
| ^~
scatterlist.c:808:22: error: invalid use of undefined type 'struct sg_mapping_iter'
808 | miter->piter.sg_pgoffset += miter->__offset >> PAGE_SHIFT;
| ^~
scatterlist.c:808:50: error: invalid use of undefined type 'struct sg_mapping_iter'
808 | miter->piter.sg_pgoffset += miter->__offset >> PAGE_SHIFT;
| ^~
scatterlist.c:809:22: error: invalid use of undefined type 'struct sg_mapping_iter'
809 | miter->__offset &= PAGE_SIZE - 1;
| ^~
scatterlist.c:810:22: error: invalid use of undefined type 'struct sg_mapping_iter'
810 | miter->__remaining = sg->offset + sg->length -
| ^~
scatterlist.c:811:44: error: invalid use of undefined type 'struct sg_mapping_iter'
811 | (miter->piter.sg_pgoffset << PAGE_SHIFT) -
| ^~
scatterlist.c:812:43: error: invalid use of undefined type 'struct sg_mapping_iter'
812 | miter->__offset;
| ^~
scatterlist.c:813:22: error: invalid use of undefined type 'struct sg_mapping_iter'
813 | miter->__remaining = min_t(unsigned long, miter->__remaining,
| ^~
scatterlist.c:813:64: error: invalid use of undefined type 'struct sg_mapping_iter'
813 | miter->__remaining = min_t(unsigned long, miter->__remaining,
| ^~
./linux/mm.h:57:20: note: in definition of macro '__min'
57 | t1 min1 = (x); \
| ^
scatterlist.c:813:38: note: in expansion of macro 'min_t'
813 | miter->__remaining = min_t(unsigned long, miter->__remaining,
| ^~~~~
scatterlist.c:814:61: error: invalid use of undefined type 'struct sg_mapping_iter'
814 | PAGE_SIZE - miter->__offset);
| ^~
./linux/mm.h:58:20: note: in definition of macro '__min'
58 | t2 min2 = (y); \
| ^
scatterlist.c:813:38: note: in expansion of macro 'min_t'
813 | miter->__remaining = min_t(unsigned long, miter->__remaining,
| ^~~~~
scatterlist.c: At top level:
scatterlist.c:837:27: warning: 'struct sg_mapping_iter' declared inside parameter list will not be visible outside of this definition or declaration
837 | bool sg_miter_skip(struct sg_mapping_iter *miter, off_t offset)
| ^~~~~~~~~~~~~~~
scatterlist.c: In function 'sg_miter_skip':
>> scatterlist.c:839:9: error: implicit declaration of function 'sg_miter_stop'; did you mean 'sg_miter_skip'? [-Wimplicit-function-declaration]
839 | sg_miter_stop(miter);
| ^~~~~~~~~~~~~
| sg_miter_skip
>> scatterlist.c:844:45: error: passing argument 1 of 'sg_miter_get_next_page' from incompatible pointer type [-Wincompatible-pointer-types]
844 | if (!sg_miter_get_next_page(miter))
| ^~~~~
| |
| struct sg_mapping_iter *
scatterlist.c:797:53: note: expected 'struct sg_mapping_iter *' but argument is of type 'struct sg_mapping_iter *'
797 | bool sg_miter_get_next_page(struct sg_mapping_iter *miter)
| ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
scatterlist.c:847:54: error: invalid use of undefined type 'struct sg_mapping_iter'
847 | consumed = min_t(off_t, offset, miter->__remaining);
| ^~
./linux/mm.h:58:20: note: in definition of macro '__min'
58 | t2 min2 = (y); \
| ^
scatterlist.c:847:28: note: in expansion of macro 'min_t'
847 | consumed = min_t(off_t, offset, miter->__remaining);
| ^~~~~
scatterlist.c:848:22: error: invalid use of undefined type 'struct sg_mapping_iter'
848 | miter->__offset += consumed;
| ^~
scatterlist.c:849:22: error: invalid use of undefined type 'struct sg_mapping_iter'
849 | miter->__remaining -= consumed;
| ^~
scatterlist.c: At top level:
scatterlist.c:873:27: warning: 'struct sg_mapping_iter' declared inside parameter list will not be visible outside of this definition or declaration
873 | bool sg_miter_next(struct sg_mapping_iter *miter)
| ^~~~~~~~~~~~~~~
scatterlist.c: In function 'sg_miter_next':
scatterlist.c:881:37: error: passing argument 1 of 'sg_miter_get_next_page' from incompatible pointer type [-Wincompatible-pointer-types]
881 | if (!sg_miter_get_next_page(miter))
| ^~~~~
| |
| struct sg_mapping_iter *
scatterlist.c:797:53: note: expected 'struct sg_mapping_iter *' but argument is of type 'struct sg_mapping_iter *'
797 | bool sg_miter_get_next_page(struct sg_mapping_iter *miter)
| ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
scatterlist.c:884:14: error: invalid use of undefined type 'struct sg_mapping_iter'
884 | miter->page = sg_page_iter_page(&miter->piter);
| ^~
>> scatterlist.c:884:23: error: implicit declaration of function 'sg_page_iter_page' [-Wimplicit-function-declaration]
884 | miter->page = sg_page_iter_page(&miter->piter);
| ^~~~~~~~~~~~~~~~~
scatterlist.c:884:47: error: invalid use of undefined type 'struct sg_mapping_iter'
884 | miter->page = sg_page_iter_page(&miter->piter);
| ^~
scatterlist.c:885:14: error: invalid use of undefined type 'struct sg_mapping_iter'
885 | miter->consumed = miter->length = miter->__remaining;
| ^~
scatterlist.c:885:32: error: invalid use of undefined type 'struct sg_mapping_iter'
885 | miter->consumed = miter->length = miter->__remaining;
| ^~
scatterlist.c:885:48: error: invalid use of undefined type 'struct sg_mapping_iter'
885 | miter->consumed = miter->length = miter->__remaining;
| ^~
scatterlist.c:887:18: error: invalid use of undefined type 'struct sg_mapping_iter'
887 | if (miter->__flags & SG_MITER_ATOMIC)
| ^~
>> scatterlist.c:887:30: error: 'SG_MITER_ATOMIC' undeclared (first use in this function)
887 | if (miter->__flags & SG_MITER_ATOMIC)
| ^~~~~~~~~~~~~~~
scatterlist.c:888:22: error: invalid use of undefined type 'struct sg_mapping_iter'
888 | miter->addr = kmap_atomic(miter->page) + miter->__offset;
| ^~
scatterlist.c:888:48: error: invalid use of undefined type 'struct sg_mapping_iter'
888 | miter->addr = kmap_atomic(miter->page) + miter->__offset;
| ^~
scatterlist.c:888:63: error: invalid use of undefined type 'struct sg_mapping_iter'
888 | miter->addr = kmap_atomic(miter->page) + miter->__offset;
| ^~
scatterlist.c:890:22: error: invalid use of undefined type 'struct sg_mapping_iter'
890 | miter->addr = kmap(miter->page) + miter->__offset;
| ^~
scatterlist.c:890:41: error: invalid use of undefined type 'struct sg_mapping_iter'
890 | miter->addr = kmap(miter->page) + miter->__offset;
| ^~
scatterlist.c:890:56: error: invalid use of undefined type 'struct sg_mapping_iter'
890 | miter->addr = kmap(miter->page) + miter->__offset;
| ^~
scatterlist.c: At top level:
scatterlist.c:909:27: warning: 'struct sg_mapping_iter' declared inside parameter list will not be visible outside of this definition or declaration
909 | void sg_miter_stop(struct sg_mapping_iter *miter)
| ^~~~~~~~~~~~~~~
>> scatterlist.c:909:6: warning: conflicting types for 'sg_miter_stop'; have 'void(struct sg_mapping_iter *)'
909 | void sg_miter_stop(struct sg_mapping_iter *miter)
| ^~~~~~~~~~~~~
scatterlist.c:839:9: note: previous implicit declaration of 'sg_miter_stop' with type 'void(struct sg_mapping_iter *)'
839 | sg_miter_stop(miter);
| ^~~~~~~~~~~~~
scatterlist.c: In function 'sg_miter_stop':
scatterlist.c:911:22: error: invalid use of undefined type 'struct sg_mapping_iter'
911 | WARN_ON(miter->consumed > miter->length);
| ^~
./linux/mm.h:18:32: note: in definition of macro 'WARN_ON'
18 | int __ret_warn_on = !!(condition); \
| ^~~~~~~~~
scatterlist.c:911:40: error: invalid use of undefined type 'struct sg_mapping_iter'
911 | WARN_ON(miter->consumed > miter->length);
| ^~
./linux/mm.h:18:32: note: in definition of macro 'WARN_ON'
18 | int __ret_warn_on = !!(condition); \
| ^~~~~~~~~
scatterlist.c:914:18: error: invalid use of undefined type 'struct sg_mapping_iter'
914 | if (miter->addr) {
| ^~
scatterlist.c:915:22: error: invalid use of undefined type 'struct sg_mapping_iter'
915 | miter->__offset += miter->consumed;
| ^~
scatterlist.c:915:41: error: invalid use of undefined type 'struct sg_mapping_iter'
915 | miter->__offset += miter->consumed;
| ^~
scatterlist.c:916:22: error: invalid use of undefined type 'struct sg_mapping_iter'
916 | miter->__remaining -= miter->consumed;
| ^~
scatterlist.c:916:44: error: invalid use of undefined type 'struct sg_mapping_iter'
916 | miter->__remaining -= miter->consumed;
| ^~
scatterlist.c:918:26: error: invalid use of undefined type 'struct sg_mapping_iter'
918 | if (miter->__flags & SG_MITER_TO_SG)
| ^~
scatterlist.c:918:38: error: 'SG_MITER_TO_SG' undeclared (first use in this function)
918 | if (miter->__flags & SG_MITER_TO_SG)
| ^~~~~~~~~~~~~~
scatterlist.c:921:26: error: invalid use of undefined type 'struct sg_mapping_iter'
921 | if (miter->__flags & SG_MITER_ATOMIC) {
| ^~
scatterlist.c:921:38: error: 'SG_MITER_ATOMIC' undeclared (first use in this function)
921 | if (miter->__flags & SG_MITER_ATOMIC) {
| ^~~~~~~~~~~~~~~
scatterlist.c:923:44: error: invalid use of undefined type 'struct sg_mapping_iter'
923 | kunmap_atomic(miter->addr);
| ^~
scatterlist.c:925:37: error: invalid use of undefined type 'struct sg_mapping_iter'
925 | kunmap(miter->page);
| ^~
scatterlist.c:927:22: error: invalid use of undefined type 'struct sg_mapping_iter'
927 | miter->page = NULL;
| ^~
scatterlist.c:928:22: error: invalid use of undefined type 'struct sg_mapping_iter'
928 | miter->addr = NULL;
| ^~
scatterlist.c:929:22: error: invalid use of undefined type 'struct sg_mapping_iter'
929 | miter->length = 0;
| ^~
scatterlist.c:930:22: error: invalid use of undefined type 'struct sg_mapping_iter'
930 | miter->consumed = 0;
| ^~
scatterlist.c: In function 'sg_copy_buffer':
scatterlist.c:952:32: error: storage size of 'miter' isn't known
952 | struct sg_mapping_iter miter;
| ^~~~~
scatterlist.c:953:33: error: 'SG_MITER_ATOMIC' undeclared (first use in this function)
953 | unsigned int sg_flags = SG_MITER_ATOMIC;
| ^~~~~~~~~~~~~~~
scatterlist.c:956:29: error: 'SG_MITER_FROM_SG' undeclared (first use in this function)
956 | sg_flags |= SG_MITER_FROM_SG;
| ^~~~~~~~~~~~~~~~
scatterlist.c:958:29: error: 'SG_MITER_TO_SG' undeclared (first use in this function)
958 | sg_flags |= SG_MITER_TO_SG;
| ^~~~~~~~~~~~~~
./linux/mm.h:59:23: warning: comparison of distinct pointer types lacks a cast [-Wcompare-distinct-pointer-types]
59 | (void) (&min1 == &min2); \
| ^~
./linux/mm.h:68:9: note: in expansion of macro '__min'
68 | __min(typeof(x), typeof(y), \
| ^~~~~
scatterlist.c:968:23: note: in expansion of macro 'min'
968 | len = min(miter.length, buflen - offset);
| ^~~
scatterlist.c:952:32: warning: unused variable 'miter' [-Wunused-variable]
952 | struct sg_mapping_iter miter;
| ^~~~~
scatterlist.c: In function 'sg_zero_buffer':
scatterlist.c:1067:32: error: storage size of 'miter' isn't known
1067 | struct sg_mapping_iter miter;
| ^~~~~
scatterlist.c:1068:33: error: 'SG_MITER_ATOMIC' undeclared (first use in this function)
1068 | unsigned int sg_flags = SG_MITER_ATOMIC | SG_MITER_TO_SG;
| ^~~~~~~~~~~~~~~
scatterlist.c:1068:51: error: 'SG_MITER_TO_SG' undeclared (first use in this function)
1068 | unsigned int sg_flags = SG_MITER_ATOMIC | SG_MITER_TO_SG;
| ^~~~~~~~~~~~~~
./linux/mm.h:59:23: warning: comparison of distinct pointer types lacks a cast [-Wcompare-distinct-pointer-types]
59 | (void) (&min1 == &min2); \
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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